1// Copyright 2013 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --expose-debug-as debug
29// Flags: --turbo-deoptimization
30
31// If a function parameter is forced to be context allocated,
32// debug evaluate need to resolve it to a context slot instead of
33// parameter slot on the stack.
34
35var Debug = debug.Debug;
36
37var expected;
38var exception = null;
39
40function listener(event, exec_state, event_data, data) {
41  if (event != Debug.DebugEvent.Break) return;
42  try {
43    assertEquals(expected, exec_state.frame(0).evaluate('arg').value());
44    exec_state.frame(0).evaluate('arg = "evaluated";');
45  } catch (e) {
46    exception = e;
47  }
48}
49
50Debug.setListener(listener);
51
52function f(arg) {
53  expected = arg;
54  debugger;
55  assertEquals("evaluated", arg);
56
57  arg = "value";
58  expected = arg;
59  debugger;
60  assertEquals("evaluated", arg);
61
62  // Forces arg to be context allocated even though a parameter.
63  function g() { arg; }
64}
65
66f();
67f(1);
68f(1, 2);
69
70assertNull(exception);
71